Merge pull request ceph#63852 from yuvalif/wip-yuval-multi-base-port

mstart: allow setting the base mon port from env variable

Author: anrao19

src/mstart.sh

@@ -74,7 +74,10 @@ if [ $? -ne 0 ]; then
 fi
 
 pos=`echo $pos | cut -d: -f1`
-base_port=$((6800+pos*20))
+
+CEPH_BASE_PORT=${CEPH_BASE_PORT:-6800}
+
+base_port=$((CEPH_BASE_PORT+pos*20))
 rgw_port=$((8000+pos*1))
 
 [ -z "$VSTART_DEST" ] && export VSTART_DEST=$RUN_ROOT_PATH/$instance